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WorksheetsCommunity Ecology
Total questions: 43
Worksheet time: 38mins
Name
Class
Date
1.
A human & a Tape Worm: The tape worm gets a place to live in the intestines of the human and food from the human. The human loses weight and nutrients from the tape worm.
a)
Mutualism
b)
Commensalism
c)
Parasitism
2.
Bird & Tree: A bird builds a nest in a hole in the trunk of the tree. It is protected from the rain and predators. The tree is not harmed or helped by the bird.
a)
Mutualism
b)
Commensalism
c)
Parasitism
3.
What type of symbiosis? Hummingbirds feed on nectar from flowers. The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
4.
Tree kangaroos live in the upper branches of trees in the rainforests of Queensland, as well as on the island of New Guinea. This is an example of the tree kangaroos ___.
a)
niche
b)
habitat
c)
community
d)
population
5.
What is the name of an animal that is hunted and eaten by other animals?
a)
producer
b)
prey
c)
predator
d)
decomposer
6.
The concept that predators can affect the size and distribution of other animals is known as
a)
predation
b)
herbivory
c)
tolerance
d)
limitation
7.
Groups of different populations that live in a given area and interact are called a(n)...
a)
Community
b)
Colony
c)
Population
d)
Ecosystem
8.
What is the term for each step in the transfer of energy and matter within a biological community?
a)
energy path
b)
food web
c)
trophic level
d)
food pyramid
9.
diagram that shows the energy available to each trophic level in an ecosystem; 10% is passed on to upper levels, the rest is lost as heat
a)
succession
b)
cellular respiration
c)
energy pyramid
d)
biochemical cycle
10.
Food webs are models that show
a)
one sequence of producers and consumers.
b)
complex networks of feeding relationships.
c)
stored energy in food chains
d)
only primary consumers in an ecosystem
11.
Rabbits and deer eat lettuce leaves from a garden.
What ecological interaction describes the relationship between rabbits and deer?
What ecological interaction describes the relationship between rabbits and deer?
a)
Mutualism
b)
Competition
c)
Commensalism
d)
Predation
12.
Which statement best describes the relationship between species A and B?
a)
Species A is the prey of Species B
b)
Species A is a parasite of Species B
c)
Species A is a consumer and B is a producer
d)
Species A and B has a mutualistic relationship
13.
Primary succession is...
a)
When a hurricane causes a river to flood its banks
b)
When a farmer ploughs his fields to remove all existing plant life.
c)
When fire burns through a forest and ills all vegetation less than 1m tall.
d)
When increasing temperature causes a glacier to recede from an area of rocky ground
14.
The secondary succession is
a)
lichens and mosses arrive on bare rock and begin to trap soil
b)
a complex, stable ecosystem is formed
c)
plants grow in an area devastated by a flood
d)
plants grow in a newly formed pond
15.
What is the name given to lichen or algae after a primary succession?
a)
pioneer species
b)
volunteer species
c)
founder species
d)
conqueror species
16.
What is the correct order from oldest (happened first) to youngest (happened last) in this pond succession?
a)
A, B, C, D
b)
D, C, B, A
c)
B, A, D, C
d)
C, D, A, B
17.
___ states that two species cannot exist together if they compete for the same resources. One will either die out or migrate, or they will adapt to separate resources.
a)
Hardy-Weinberg Principle
b)
Limiting Nutrient Principle
c)
Competitive Exclusion Principle
d)
Tolerance Principle
18.
What effect does biodiversity have on a community?
a)
It makes destruction by insects impossible.
b)
It makes primary succession more likely.
c)
It enables species to survive in a desert.
d)
It enables the community to withstand changes.
19.
Competition between members of the same species is called
a)
Intraspecific
b)
Interspecific
c)
Primary
d)
Secondary
20.
Why don't parasites kill their hosts?
a)
It makes the parasite sick
b)
They don't
c)
The parasite would die
d)
The parasite gets full
21.
Two members of the same species fight over who gets a certain food. Members of different species try to take over a certain nesting area. These are both examples of
a)
Community
b)
Competition
c)
Mutualism
d)
Commensalism
22.
1. The type of symbiotic relationship where one organism benefits and the other is not harmed or helped?
a)
Mutualsim
b)
Parasatism
c)
Commensalism
d)
Mullerian
23.
When some species coexist despite apparent competition by having slightly different niches is called:
a)
Ecological Niche
b)
Batesian Mimicry
c)
Gause's Principle
d)
Resource Partitioning
24.
These snakes are an example of what?
a)
Camouflage
b)
Mimicry
c)
Succession
d)
Gause's Principal
25.
The butterfly in the picture is displaying what defense mechanism?
a)
Mimicry
b)
Succession
c)
Camouflage
d)
Resource Partitioning
26.
What relationship does this graph represent?
a)
Mutualism
b)
Commensalism
c)
Symbiotic
d)
Predator/Prey
27.
Bees use flower nectar for food, and they carry flower pollen to other flowers, allowing the flower to reproduce.
a)
Mutualism
b)
Commensalism
c)
Parasitism
28.
A relationship in which two species live closely together.
a)
resource
b)
mutualism
c)
succession
d)
symbiosis
29.
What level of ecological organization would include all squirrels that live in the same area?
a)
biome
b)
community
c)
ecosystem
d)
population
30.
Several species of warblers can live in the same spruce tree ONLY because they
a)
have different habitats within the tree.
b)
don’t eat food from the tree.
c)
occupy different niches within the tree.
d)
can find different temperatures within the tree.
31.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
32.
In Australia the farmers had a problem with beetles eating the sugar cane. So they introduced the cane toad to control that population. Instead of eating the beetles, they ate the source of food and other organisms. What would be a possible consequence of this?
a)
The other organisms attacks the toad population
b)
The ecosystem would be destroyed
c)
The cane toads would get too much food and die
d)
The food web was changed by this one organism
33.
About how much percent of energy is passed on from one organism to to the next on a food web pyramid.
a)
100 percent of all energy gets passed
b)
45 percent of all energy gets passed
c)
10 percent of all energy gets passed
d)
0 percent of all energy gets passed
34.
A simple "line" of plants and animals that transfer energy by the process of eating.
a)
Food Chain
b)
Food Web
c)
Ecosystem
d)
Decomposers
35.
An organism in a food chain that is able to make its own food and represents level 1 on the food chain .
a)
Consumer
b)
Producer
c)
Herbivore
d)
Omnivore
36.
An organism in a food web that feeds directly on the producer.
a)
Primary Consumer
b)
Secondary Consumer
c)
Decomposer
d)
Carnivore
37.
An organism in a food web that eats other consumers to obtain energy.
a)
Producer
b)
Secondary
Consumer
c)
Prey
d)
Scavenger
38.
An organism in a food chain that breaks down organic matter (left overs) and puts nutrients back in the soil through chemical reactions.
a)
Decomposer
b)
Carnivore
c)
Omnivore
d)
Scavenger
39.
An animal that eats both plants and animals.
a)
Producer
b)
Consumer
c)
Carnivore
d)
Omnivore
40.
What energy role do the kelps and other algae have in this food web?
a)
Producer
b)
Composer
c)
Consumer
d)
Decomposer
41.
Which organism gets its energy by eating sea otters?
a)
Sea urchins
b)
Sea Stars
c)
Sharks
d)
Large crabs
42.
Which of the following organisms is a primary or first level consumer?
a)
Sea Urchins
b)
Small herbivorous fishes and invertebrates
c)
Sharks
d)
Sea Otters
43.
According to this food web which organism eats only squid?
a)
Penguins
b)
Killer Whale
c)
Elephant Seal
d)
Crabs
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